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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_DOM_DISTILLER_CORE_PAGE_FEATURES_H_ | 5 #ifndef COMPONENTS_DOM_DISTILLER_CORE_PAGE_FEATURES_H_ |
6 #define COMPONENTS_DOM_DISTILLER_CORE_PAGE_FEATURES_H_ | 6 #define COMPONENTS_DOM_DISTILLER_CORE_PAGE_FEATURES_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/values.h" | 10 class GURL; |
11 #include "url/gurl.h" | 11 |
| 12 namespace blink { |
| 13 struct WebDistillabilityFeatures; |
| 14 } |
12 | 15 |
13 namespace dom_distiller { | 16 namespace dom_distiller { |
14 | 17 |
15 // The length of the derived features vector. | 18 // The length of the derived features vector. |
16 extern int kDerivedFeaturesCount; | 19 extern unsigned kDerivedFeaturesCount; |
17 | 20 |
18 // The distillable page detector is a model trained on a list of numeric | 21 // The distillable page detector is a model trained on a list of numeric |
19 // features derived from core more complex features of a webpage (like the | 22 // features derived from features of a webpage (like body's number of elements |
20 // body's .textContent). This derives the numeric features for a set of core | 23 // ). This derives the numeric features form a set of core features. |
21 // features. | |
22 // | 24 // |
23 // Note: It is crucial that these features are derived in the same way and are | 25 // Note: It is crucial that these features are derived in the same way and are |
24 // in the same order as in the training pipeline. See //heuristics/distillable | 26 // in the same order as in the training pipeline. See //heuristics/distillable |
25 // in the external DomDistillerJs repo. | 27 // in the external DomDistiller repo. |
26 std::vector<double> CalculateDerivedFeatures(bool isOGArticle, | 28 std::vector<double> CalculateDerivedFeatures( |
27 const GURL& url, | 29 const blink::WebDistillabilityFeatures& f, |
28 double numElements, | 30 const GURL& url); |
29 double numAnchors, | |
30 double numForms, | |
31 const std::string& innerText, | |
32 const std::string& textContent, | |
33 const std::string& innerHTML); | |
34 | |
35 // Calculates the derived features from the JSON value as returned by the | |
36 // javascript core feature extraction. | |
37 std::vector<double> CalculateDerivedFeaturesFromJSON( | |
38 const base::Value* stringified_json); | |
39 | 31 |
40 } // namespace dom_distiller | 32 } // namespace dom_distiller |
41 | 33 |
42 #endif // COMPONENTS_DOM_DISTILLER_CORE_PAGE_FEATURES_H_ | 34 #endif // COMPONENTS_DOM_DISTILLER_CORE_PAGE_FEATURES_H_ |
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